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	<title>EntwicklerForum.org &#187; .Net / ASP.Net</title>
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		<title>Silverlight Demo&#8217;s</title>
		<link>http://www.entwicklerforum.org/silverlight-demos</link>
		<comments>http://www.entwicklerforum.org/silverlight-demos#comments</comments>
		<pubDate>Wed, 22 Jul 2009 11:34:20 +0000</pubDate>
		<dc:creator>Paul Exler</dc:creator>
				<category><![CDATA[.Net / ASP.Net]]></category>
		<category><![CDATA[C, C++, C#, Objective-C]]></category>
		<category><![CDATA[Silverlight, Flex, Flash]]></category>

		<guid isPermaLink="false">http://www.entwicklerforum.org/?p=640</guid>
		<description><![CDATA[Hier mal ein paar sehr interessante Demo&#8217;s, die mit Silverlight erstellt wurden:

Ein kleines &#8220;Windows&#8221; im Browser:
http://windows4all.com/

Ein halbfertiges CRM (Beta):
http://labs.cas.de/silverlight/CASCRMSL3/

Und hier sieht man den Einsatz vom Deep Zoom Composer von Silverlight:
http://memorabilia.hardrock.com/







	
	
	
	
	
	
	
	
	
	
	
	
	
	


]]></description>
			<content:encoded><![CDATA[<p>Hier mal ein paar sehr interessante Demo&#8217;s, die mit Silverlight erstellt wurden:</p>
<p><br class="spacer_" /></p>
<p>Ein kleines &#8220;Windows&#8221; im Browser:</p>
<p><a href="http://windows4all.com/" target="_blank">http://windows4all.com/</a></p>
<p><br class="spacer_" /></p>
<p>Ein halbfertiges CRM (Beta):</p>
<p><a href="http://labs.cas.de/silverlight/CASCRMSL3/" target="_blank">http://labs.cas.de/silverlight/CASCRMSL3/</a></p>
<p><br class="spacer_" /></p>
<p>Und hier sieht man den Einsatz vom Deep Zoom Composer von Silverlight:</p>
<p><a href="http://memorabilia.hardrock.com/" target="_blank">http://memorabilia.hardrock.com/</a></p>
<p><br class="spacer_" /></p>

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		<title>Silverlight &#8211; DB</title>
		<link>http://www.entwicklerforum.org/silverlight-db</link>
		<comments>http://www.entwicklerforum.org/silverlight-db#comments</comments>
		<pubDate>Tue, 21 Jul 2009 11:19:33 +0000</pubDate>
		<dc:creator>Paul Exler</dc:creator>
				<category><![CDATA[.Net / ASP.Net]]></category>
		<category><![CDATA[C, C++, C#, Objective-C]]></category>
		<category><![CDATA[Datenbank, SQL]]></category>
		<category><![CDATA[Silverlight, Flex, Flash]]></category>

		<guid isPermaLink="false">http://www.entwicklerforum.org/?p=636</guid>
		<description><![CDATA[Eben entdeckt:
http://silverdb.codeplex.com/
Damit lassen sich Daten in einer kleinen Datenbank direkt bei dem jeweiligen Client unter dem Isolation Storage speichern. Nat&#252;rlich mit bequemen Feature&#8217;s wie z.B. lazy loading oder die Komprimierung der Datenbank.
Hier die offzielle Projektbeschreibung:
&#8220;
This project implements a Isolated Storage (IsolatedStorage) based database for Silverlight. The usage of this software is very simple. You create [...]]]></description>
			<content:encoded><![CDATA[<p>Eben entdeckt:</p>
<p><a href="http://silverdb.codeplex.com/" target="_blank">http://silverdb.codeplex.com/</a></p>
<p>Damit lassen sich Daten in einer kleinen Datenbank direkt bei dem jeweiligen Client unter dem Isolation Storage speichern. Nat&#252;rlich mit bequemen Feature&#8217;s wie z.B. lazy loading oder die Komprimierung der Datenbank.</p>
<p>Hier die offzielle Projektbeschreibung:</p>
<p><span id="ctl00_ctl00_MasterContent_Content_wikiSourceLabel">&#8220;</span></p>
<p>This project implements a Isolated Storage (IsolatedStorage) based database for Silverlight. The usage of this software is very simple. You create a new database by Calling CreateDatabase. You can add tables to the database by calling db.CreateTable&lt;T&gt; where T is the type of entity to be stored in table rows. You can save database by calling Save, and open the database by calling OpenDatabase. This database supports version changes, so you can update your application and still be able to open the database. You can look for basic use of this database by examining test Silverlight application. Encryption and compression have been implemented; just provide a password to use encryption. Compression is based on SharpZipLib &#8211; you will have all the rights specified under that project. See <a class="externalLink" href="http://slsharpziplib.codeplex.com/license">http://slsharpziplib.codeplex.com/license</a> for details. Also lazy loading has been implemented. If you open database with lazy loading flag, tables will be loaded when first accessed. Feel free to look documentation help file under current download for API details. The source code file contains unit test project that you can also examine for usage details.</p>
<p>Here is a list features on the radar:</p>
<p><span id="ctl00_ctl00_MasterContent_Content_wikiSourceLabel"> </span></p>
<ul>
<li>Isolated Storage quota checks, possibly with ability to automatically request more space</li>
</ul>
<p>&#8220;</p>

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		</item>
		<item>
		<title>Sorting Algorithms &#8211; wie funktioniert das Ding ?</title>
		<link>http://www.entwicklerforum.org/sorting-algorithms-wie-funktioniert-das-ding</link>
		<comments>http://www.entwicklerforum.org/sorting-algorithms-wie-funktioniert-das-ding#comments</comments>
		<pubDate>Tue, 30 Sep 2008 07:51:06 +0000</pubDate>
		<dc:creator>Michal Sodomka</dc:creator>
				<category><![CDATA[.Net / ASP.Net]]></category>
		<category><![CDATA[Allgemein / Web 2.0]]></category>

		<guid isPermaLink="false">http://www.entwicklerforum.org/?p=406</guid>
		<description><![CDATA[Jeder Entwickler hat schon etwas von Sortierung geh&#246;rt und wei&#223;t dass daf&#252;r auf Algorithmen gibt.
 Wie w&#228;re es aber wenn man genau erkl&#228;ren soll wie z.B. Quicksort funktioniert ?
Auf dieser Seite findet man Antwort&#8230;und zwar in einer Form die wirklich jeder verstehen kann  






	
	
	
	
	
	
	
	
	
	
	
	
	
	


]]></description>
			<content:encoded><![CDATA[<p>Jeder Entwickler hat schon etwas von Sortierung geh&#246;rt und wei&#223;t dass daf&#252;r auf Algorithmen gibt.<br />
 Wie w&#228;re es aber wenn man genau erkl&#228;ren soll wie z.B. Quicksort funktioniert ?</p>
<p>Auf <a title="dieser Seite" href="http://vision.bc.edu/~dmartin/teaching/sorting/anim-html/all.html" target="_blank">dieser Seite</a> findet man Antwort&#8230;und zwar in einer Form die wirklich jeder verstehen kann <img src='http://www.entwicklerforum.org/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>

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		<title>Pl&#228;ne f&#252;r ASP.NET 4.0</title>
		<link>http://www.entwicklerforum.org/plaene-fuer-aspnet-40</link>
		<comments>http://www.entwicklerforum.org/plaene-fuer-aspnet-40#comments</comments>
		<pubDate>Mon, 04 Aug 2008 13:07:21 +0000</pubDate>
		<dc:creator>Michal Sodomka</dc:creator>
				<category><![CDATA[.Net / ASP.Net]]></category>

		<guid isPermaLink="false">http://www.entwicklerforum.org/?p=130</guid>
		<description><![CDATA[Was hat Microsoft mit ASP.NET 4.0 vor ? Das findet man hier:
http://www.heise.de/ix/Plaene-fuer-ASP-NET-4-0&#8211;/blog/artikel/113195






	
	
	
	
	
	
	
	
	
	
	
	
	
	


]]></description>
			<content:encoded><![CDATA[<p>Was hat Microsoft mit ASP.NET 4.0 vor ? Das findet man hier:</p>
<p><a title="Pl&#228;ne f&#252;r ASP.NET 4.0" href="http://www.heise.de/ix/Plaene-fuer-ASP-NET-4-0--/blog/artikel/113195" target="_blank">http://www.heise.de/ix/Plaene-fuer-ASP-NET-4-0&#8211;/blog/artikel/113195</a></p>

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		<slash:comments>1</slash:comments>
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		<item>
		<title>Anwendung nur einmal starten unter C#</title>
		<link>http://www.entwicklerforum.org/anwendung-nur-einmal-starten-unter-c</link>
		<comments>http://www.entwicklerforum.org/anwendung-nur-einmal-starten-unter-c#comments</comments>
		<pubDate>Thu, 24 Jul 2008 16:50:31 +0000</pubDate>
		<dc:creator>Michael Jacoby</dc:creator>
				<category><![CDATA[.Net / ASP.Net]]></category>
		<category><![CDATA[C, C++, C#, Objective-C]]></category>
		<category><![CDATA[Objective-C]]></category>

		<guid isPermaLink="false">http://www.entwicklerforum.org/?p=123</guid>
		<description><![CDATA[Bei der Entwicklung meiner Projektarbeit bin ich auf folgende Problemstellung gesto&#223;en:
 Wie schaffe ich es zu verhindern dass meine Applikation nur einmal gestartet werden kann?
 Das ist aber nicht nicht alles! Ferner soll bei dem Versuch meine Applikation ein zweites Mal zu starten ein Event in der bestehenden Applikation ausgel&#246;st werden. Und zu guter Letzt [...]]]></description>
			<content:encoded><![CDATA[<p>Bei der Entwicklung meiner Projektarbeit bin ich auf folgende Problemstellung gesto&#223;en:<br />
 Wie schaffe ich es zu verhindern dass meine Applikation nur einmal gestartet werden kann?<br />
 Das ist aber nicht nicht alles! Ferner soll bei dem Versuch meine Applikation ein zweites Mal zu starten ein Event in der bestehenden Applikation ausgel&#246;st werden. Und zu guter Letzt soll dieses Event auch noch die beim Startversuch an die Applikation &#252;bergebenen Parameter zum Auswerten bereitstellen.</p>
<p>Die L&#246;sung ist eigentlich relativ simple, aber nicht auf den ersten Blick zu finden, denn sie verbirgt sich im Namespace <em>Microsoft.VisualBasic</em>.</p>
<p>Die Klasse <em>WindowsFormsApplicationBase</em> ist es die Properties wie <em>IsSingleInstance</em> oder <em>ShutdownStyle</em> sowie das wichtige Event <em>OnStartupNextInstance(StartupNextInstanceEventArgs eventArgs)</em> bereitstellt.</p>
<p>Wichtig ist die Assembly <em>Microsoft.VisualBasic.dll</em> einzubinden. (bei mir beispielsweise zu finden unter <em>C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Microsoft.VisualBasic.dll</em>)</p>

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		<title>HTML5 Draft</title>
		<link>http://www.entwicklerforum.org/html5-draft</link>
		<comments>http://www.entwicklerforum.org/html5-draft#comments</comments>
		<pubDate>Thu, 24 Jan 2008 10:02:54 +0000</pubDate>
		<dc:creator>Michal Sodomka</dc:creator>
				<category><![CDATA[.Net / ASP.Net]]></category>
		<category><![CDATA[Allgemein / Web 2.0]]></category>
		<category><![CDATA[PHP, HTML, Wordpress]]></category>
		<category><![CDATA[ASP]]></category>
		<category><![CDATA[HTML]]></category>
		<category><![CDATA[HTML5]]></category>

		<guid isPermaLink="false">http://www.entwicklerforum.org/html5-draft</guid>
		<description><![CDATA[Der HTML5 Draft ist endlich da und ist online verf&#252;gbar.
Was hat sich ge&#228;ndert ? Das findet man hier: Untersichede zwischen HTML4 und HTML5
Was ist neues ? Neue Elementen wie z.B.: audio, video, canvas, datagrid, progress&#8230;etc
Der neue Standard beinhaltet auch neu APIs f&#252;r 2D Grafik, f&#252;r Arbeit mit Video und Audio und mehr.
Mehr kann man hier [...]]]></description>
			<content:encoded><![CDATA[<p>Der HTML5 Draft ist endlich da und ist online verf&#252;gbar.</p>
<p>Was hat sich ge&#228;ndert ? Das findet man hier: <a href="http://www.w3.org/TR/2008/WD-html5-diff-20080122/#new-elements">Untersichede zwischen HTML4 und HTML5</a></p>
<p>Was ist neues ? Neue Elementen wie z.B.: <strong>audio, video</strong>, <strong>canvas,</strong> <strong>datagrid, progress&#8230;etc</strong></p>
<p>Der neue Standard beinhaltet auch neu APIs f&#252;r 2D Grafik, f&#252;r Arbeit mit Video und Audio und mehr.</p>
<p>Mehr kann man hier finden: <a href="http://www.w3.org/html/wg/html5/">HTML5</a></p>

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		<item>
		<title>C# gotchas &#8211; ?? operator (null coalescing operator)</title>
		<link>http://www.entwicklerforum.org/c-gotchas-operator-null-coalescing-operator</link>
		<comments>http://www.entwicklerforum.org/c-gotchas-operator-null-coalescing-operator#comments</comments>
		<pubDate>Mon, 03 Dec 2007 17:37:16 +0000</pubDate>
		<dc:creator>Michal Sodomka</dc:creator>
				<category><![CDATA[.Net / ASP.Net]]></category>
		<category><![CDATA[C, C++, C#, Objective-C]]></category>
		<category><![CDATA[Objective-C]]></category>

		<guid isPermaLink="false">http://www.entwicklerforum.org/c-gotchas-operator-null-coalescing-operator</guid>
		<description><![CDATA[Wie kann man sich diese Arbeit sparen ?
Data dtaResult = GetDataById(23)
if (dtaResult == null)
 dtaResult = new Data()
&#8230;.ganz einfach mit dem ?? Operator
Data dtaResult = GetDataById(23) ?? new Data()
Tja, manchmal sind auch die Grundlagen einer Programiersprache sehr interessant   






	
	
	
	
	
	
	
	
	
	
	
	
	
	


]]></description>
			<content:encoded><![CDATA[<p><strong>Wie kann man sich diese Arbeit sparen ?</strong></p>
<p><code>Data dtaResult = GetDataById(23)</code></p>
<p><code>if (dtaResult == null)</code></p>
<p><code> dtaResult = new Data()</code></p>
<p>&#8230;.ganz einfach mit dem ?? Operator</p>
<p><code>Data dtaResult = GetDataById(23) ?? new Data()</code></p>
<p>Tja, manchmal sind auch die Grundlagen einer Programiersprache sehr interessant  <img src='http://www.entwicklerforum.org/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>

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		<item>
		<title>Paralel FX &#8211; ein Framework f&#252;r paralelle bearbeiteung einer Operation</title>
		<link>http://www.entwicklerforum.org/paralel-fx-ein-framework-fuer-paralelle-bearbeiteung-eine-operation</link>
		<comments>http://www.entwicklerforum.org/paralel-fx-ein-framework-fuer-paralelle-bearbeiteung-eine-operation#comments</comments>
		<pubDate>Mon, 03 Dec 2007 17:25:26 +0000</pubDate>
		<dc:creator>Michal Sodomka</dc:creator>
				<category><![CDATA[.Net / ASP.Net]]></category>
		<category><![CDATA[C, C++, C#, Objective-C]]></category>

		<guid isPermaLink="false">http://www.entwicklerforum.org/paralel-fx-ein-framework-fuer-paralelle-bearbeiteung-eine-operation</guid>
		<description><![CDATA[Jeder Entwickler hat schon eine L&#246;sung implementiert wo eine Operation mit Threads bearbeitet wird und jeder hat bestimmt Erfahrung mit Dingen wie Synchronisierung, Locks, Monitors etc.
Wie w&#228;re es wenn man parallele DB-Abfragen in einer Anwedung implementieren w&#252;rde ? Klar, man kann es weiterhin mit Threads und dem &#8220;Spa&#223;&#8221; mit Monitors, Locks etc machen aber es [...]]]></description>
			<content:encoded><![CDATA[<p>Jeder Entwickler hat schon eine L&#246;sung implementiert wo eine Operation mit Threads bearbeitet wird und jeder hat bestimmt Erfahrung mit Dingen wie Synchronisierung, Locks, Monitors etc.</p>
<p>Wie w&#228;re es wenn man parallele DB-Abfragen in einer Anwedung implementieren w&#252;rde ? Klar, man kann es weiterhin mit Threads und dem &#8220;Spa&#223;&#8221; mit Monitors, Locks etc machen aber es geht auch einfacher.</p>
<p>Architekten der C# Sprache und LINQ <strong>(Anders Hejlsberg</strong> und <strong>Joe Duff) </strong>zeigen in diesem Video eine neue L&#246;sung f&#252;r solche Aufgaben -&gt; Framework Paralel FX.</p>
<p><a href="http://channel9.msdn.com/Showpost.aspx?postid=347531"> Link auf Video</a></p>

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		<title>Excel-Dateien in DataSet laden</title>
		<link>http://www.entwicklerforum.org/excel-dateien-in-dataset-laden</link>
		<comments>http://www.entwicklerforum.org/excel-dateien-in-dataset-laden#comments</comments>
		<pubDate>Thu, 11 Oct 2007 16:27:08 +0000</pubDate>
		<dc:creator>Michael Jacoby</dc:creator>
				<category><![CDATA[.Net / ASP.Net]]></category>
		<category><![CDATA[Allgemein / Web 2.0]]></category>
		<category><![CDATA[C, C++, C#, Objective-C]]></category>

		<guid isPermaLink="false">http://www.entwicklerforum.org/excel-dateien-in-dataset-laden</guid>
		<description><![CDATA[
private DataSet LadeExcelInDataSet&#40;&#41;
&#123;
    DataSet dsReturn = new DataSet&#40;&#41;;
    if &#40;dlgOpen.ShowDialog&#40;&#41; == DialogResult.OK&#41;
    &#123;
        // Excel als Application initialisieren
        Microsoft.Office.Interop.Excel.ApplicationClass app = new ApplicationClass&#40;&#41;;
        // Workbook [...]]]></description>
			<content:encoded><![CDATA[
<div class="wp_syntax"><div class="code"><pre class="csharp" style="font-family:monospace;"><span style="color: #0600FF;">private</span> DataSet LadeExcelInDataSet<span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span>
<span style="color: #000000;">&#123;</span>
    DataSet dsReturn <span style="color: #008000;">=</span> <span style="color: #008000;">new</span> DataSet<span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
    <span style="color: #0600FF;">if</span> <span style="color: #000000;">&#40;</span>dlgOpen.<span style="color: #0000FF;">ShowDialog</span><span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span> <span style="color: #008000;">==</span> DialogResult.<span style="color: #0000FF;">OK</span><span style="color: #000000;">&#41;</span>
    <span style="color: #000000;">&#123;</span>
        <span style="color: #008080; font-style: italic;">// Excel als Application initialisieren</span>
        Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">ApplicationClass</span> app <span style="color: #008000;">=</span> <span style="color: #008000;">new</span> ApplicationClass<span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
        <span style="color: #008080; font-style: italic;">// Workbook Objekt öffnen</span>
        Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">Workbook</span> workBook <span style="color: #008000;">=</span> app.<span style="color: #0000FF;">Workbooks</span>.<span style="color: #0000FF;">Open</span><span style="color: #000000;">&#40;</span>dlgOpen.<span style="color: #0000FF;">FileName</span>,
                                                     <span style="color: #FF0000;">0</span>,
                                                     <span style="color: #0600FF;">true</span>,
                                                     <span style="color: #FF0000;">5</span>,
                                                     <span style="color: #666666;">&quot;&quot;</span>,
                                                     <span style="color: #666666;">&quot;&quot;</span>,
                                                     <span style="color: #0600FF;">true</span>,
                                                     Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">XlPlatform</span>.<span style="color: #0000FF;">xlWindows</span>,
                                                     <span style="color: #666666;">&quot;<span style="color: #008080; font-weight: bold;">\t</span>&quot;</span>,
                                                     <span style="color: #0600FF;">false</span>,
                                                     <span style="color: #0600FF;">false</span>,
                                                     <span style="color: #FF0000;">0</span>,
                                                     <span style="color: #0600FF;">true</span>,
                                                     <span style="color: #FF0000;">1</span>,
                                                     <span style="color: #FF0000;">0</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
        <span style="color: #008080; font-style: italic;">// Aktives Worksheet auswählen</span>
        Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">Worksheet</span> workSheet <span style="color: #008000;">=</span> <span style="color: #000000;">&#40;</span>Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">Worksheet</span><span style="color: #000000;">&#41;</span>workBook.<span style="color: #0000FF;">ActiveSheet</span><span style="color: #008000;">;</span>
        <span style="color: #008080; font-style: italic;">// DataTable erstellen</span>
        dsReturn.<span style="color: #0000FF;">Tables</span>.<span style="color: #0000FF;">Add</span><span style="color: #000000;">&#40;</span><span style="color: #008000;">new</span> <span style="color: #000000;">System.<span style="color: #0000FF;">Data</span></span>.<span style="color: #0000FF;">DataTable</span><span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
        <span style="color: #FF0000;">int</span> intColumnCount <span style="color: #008000;">=</span> <span style="color: #FF0000;">0</span><span style="color: #008000;">;</span>
        <span style="color: #008080; font-style: italic;">// Spalten aus Excel in DataSet anlegen (beginnend mit 1!)</span>
        <span style="color: #008080; font-style: italic;">// in der 1. Zeile stehen die Überschriften</span>
        <span style="color: #0600FF;">try</span>
        <span style="color: #000000;">&#123;</span>
            <span style="color: #0600FF;">for</span> <span style="color: #000000;">&#40;</span><span style="color: #FF0000;">int</span> x <span style="color: #008000;">=</span> <span style="color: #FF0000;">1</span><span style="color: #008000;">;</span> x <span style="color: #008000;">&amp;</span>lt<span style="color: #008000;">;=</span> workSheet.<span style="color: #0000FF;">Columns</span>.<span style="color: #0000FF;">Count</span><span style="color: #008000;">;</span> x<span style="color: #008000;">++</span><span style="color: #000000;">&#41;</span>
            <span style="color: #000000;">&#123;</span>
                <span style="color: #0600FF;">if</span> <span style="color: #000000;">&#40;</span><span style="color: #000000;">&#40;</span><span style="color: #000000;">&#40;</span>Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">Range</span><span style="color: #000000;">&#41;</span>workSheet.<span style="color: #0000FF;">Cells</span><span style="color: #000000;">&#91;</span><span style="color: #FF0000;">1</span>, x<span style="color: #000000;">&#93;</span><span style="color: #000000;">&#41;</span>.<span style="color: #0000FF;">Value2</span> <span style="color: #008000;">==</span> <span style="color: #0600FF;">null</span><span style="color: #000000;">&#41;</span>
                <span style="color: #000000;">&#123;</span>
                    break<span style="color: #008000;">;</span>
                <span style="color: #000000;">&#125;</span>
                DataColumn colNew <span style="color: #008000;">=</span> <span style="color: #008000;">new</span> DataColumn<span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
                colNew.<span style="color: #0000FF;">ColumnName</span> <span style="color: #008000;">=</span> <span style="color: #000000;">&#40;</span><span style="color: #000000;">&#40;</span>Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">Range</span><span style="color: #000000;">&#41;</span>workSheet.<span style="color: #0000FF;">Cells</span><span style="color: #000000;">&#91;</span><span style="color: #FF0000;">1</span>, x<span style="color: #000000;">&#93;</span><span style="color: #000000;">&#41;</span>.<span style="color: #0000FF;">Value2</span>.<span style="color: #0000FF;">ToString</span><span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
                colNew.<span style="color: #0000FF;">Caption</span> <span style="color: #008000;">=</span> <span style="color: #000000;">&#40;</span><span style="color: #000000;">&#40;</span>Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">Range</span><span style="color: #000000;">&#41;</span>workSheet.<span style="color: #0000FF;">Cells</span><span style="color: #000000;">&#91;</span><span style="color: #FF0000;">1</span>, x<span style="color: #000000;">&#93;</span><span style="color: #000000;">&#41;</span>.<span style="color: #0000FF;">Value2</span>.<span style="color: #0000FF;">ToString</span><span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
                dsReturn.<span style="color: #0000FF;">Tables</span><span style="color: #000000;">&#91;</span><span style="color: #FF0000;">0</span><span style="color: #000000;">&#93;</span>.<span style="color: #0000FF;">Columns</span>.<span style="color: #0000FF;">Add</span><span style="color: #000000;">&#40;</span>colNew<span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
                intColumnCount<span style="color: #008000;">++;</span>
            <span style="color: #000000;">&#125;</span>
            <span style="color: #008080; font-style: italic;">// Ab Zeile 2 Daten auslesen</span>
            <span style="color: #FF0000;">int</span> rowIndex <span style="color: #008000;">=</span> <span style="color: #FF0000;">2</span><span style="color: #008000;">;</span>
            <span style="color: #008080; font-style: italic;">// Alle Datensätze ab Zeile einlesen</span>
            <span style="color: #0600FF;">while</span> <span style="color: #000000;">&#40;</span><span style="color: #000000;">&#40;</span><span style="color: #000000;">&#40;</span>Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">Range</span><span style="color: #000000;">&#41;</span>workSheet.<span style="color: #0000FF;">Cells</span><span style="color: #000000;">&#91;</span>rowIndex, <span style="color: #FF0000;">1</span><span style="color: #000000;">&#93;</span><span style="color: #000000;">&#41;</span>.<span style="color: #0000FF;">Value2</span> <span style="color: #008000;">!=</span> <span style="color: #0600FF;">null</span><span style="color: #000000;">&#41;</span>
            <span style="color: #000000;">&#123;</span>
                DataRow drNew <span style="color: #008000;">=</span> dsReturn.<span style="color: #0000FF;">Tables</span><span style="color: #000000;">&#91;</span><span style="color: #FF0000;">0</span><span style="color: #000000;">&#93;</span>.<span style="color: #0000FF;">NewRow</span><span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
                <span style="color: #008080; font-style: italic;">// für jede Zeile jede Spalte auslesen</span>
                <span style="color: #0600FF;">for</span> <span style="color: #000000;">&#40;</span><span style="color: #FF0000;">int</span> x <span style="color: #008000;">=</span> <span style="color: #FF0000;">1</span><span style="color: #008000;">;</span> x <span style="color: #008000;">&amp;</span>lt<span style="color: #008000;">;=</span> intColumnCount<span style="color: #008000;">;</span> x<span style="color: #008000;">++</span><span style="color: #000000;">&#41;</span>
                <span style="color: #000000;">&#123;</span>
                    <span style="color: #0600FF;">if</span> <span style="color: #000000;">&#40;</span><span style="color: #000000;">&#40;</span><span style="color: #000000;">&#40;</span>Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">Range</span><span style="color: #000000;">&#41;</span>workSheet.<span style="color: #0000FF;">Cells</span><span style="color: #000000;">&#91;</span>rowIndex, x<span style="color: #000000;">&#93;</span><span style="color: #000000;">&#41;</span>.<span style="color: #0000FF;">Value2</span> <span style="color: #008000;">==</span> <span style="color: #0600FF;">null</span><span style="color: #000000;">&#41;</span>
                    <span style="color: #000000;">&#123;</span>
                        drNew<span style="color: #000000;">&#91;</span>x <span style="color: #008000;">-</span> <span style="color: #FF0000;">1</span><span style="color: #000000;">&#93;</span> <span style="color: #008000;">=</span> DBNull.<span style="color: #0000FF;">Value</span><span style="color: #008000;">;</span>
                        continue<span style="color: #008000;">;</span>
                    <span style="color: #000000;">&#125;</span>
                    drNew<span style="color: #000000;">&#91;</span>x <span style="color: #008000;">-</span> <span style="color: #FF0000;">1</span><span style="color: #000000;">&#93;</span> <span style="color: #008000;">=</span> <span style="color: #000000;">&#40;</span><span style="color: #000000;">&#40;</span>Microsoft.<span style="color: #0000FF;">Office</span>.<span style="color: #0000FF;">Interop</span>.<span style="color: #0000FF;">Excel</span>.<span style="color: #0000FF;">Range</span><span style="color: #000000;">&#41;</span>workSheet.<span style="color: #0000FF;">Cells</span><span style="color: #000000;">&#91;</span>rowIndex, x<span style="color: #000000;">&#93;</span><span style="color: #000000;">&#41;</span>.<span style="color: #0000FF;">Value2</span>.<span style="color: #0000FF;">ToString</span><span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
                <span style="color: #000000;">&#125;</span>
                dsReturn.<span style="color: #0000FF;">Tables</span><span style="color: #000000;">&#91;</span><span style="color: #FF0000;">0</span><span style="color: #000000;">&#93;</span>.<span style="color: #0000FF;">Rows</span>.<span style="color: #0000FF;">Add</span><span style="color: #000000;">&#40;</span>drNew<span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
                rowIndex<span style="color: #008000;">++;</span>
            <span style="color: #000000;">&#125;</span>
            dsReturn.<span style="color: #0000FF;">Tables</span><span style="color: #000000;">&#91;</span><span style="color: #FF0000;">0</span><span style="color: #000000;">&#93;</span>.<span style="color: #0000FF;">AcceptChanges</span><span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
        <span style="color: #000000;">&#125;</span>
        <span style="color: #0600FF;">catch</span> <span style="color: #000000;">&#40;</span>Exception ex<span style="color: #000000;">&#41;</span>
        <span style="color: #000000;">&#123;</span>
            MessageBox.<span style="color: #0000FF;">Show</span><span style="color: #000000;">&#40;</span><span style="color: #666666;">&quot;Fehler beim Einlesen der Excel-Datei <span style="color: #008080; font-weight: bold;">\n</span>&quot;</span> <span style="color: #008000;">+</span> ex.<span style="color: #0000FF;">Message</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
        <span style="color: #000000;">&#125;</span>
    <span style="color: #000000;">&#125;</span>
    <span style="color: #0600FF;">return</span> dsReturn<span style="color: #008000;">;</span>
<span style="color: #000000;">&#125;</span></pre></div></div>

<p>Und eine Beispiel-Implementation zum Laden einer Excel-Datei in ein GridView der Firma DevExpress</p>

<div class="wp_syntax"><div class="code"><pre class="csharp" style="font-family:monospace;">DataSet dsAusExcel <span style="color: #008000;">=</span> LadeExcelInDataSet<span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
BindingSource bsDummie <span style="color: #008000;">=</span> <span style="color: #008000;">new</span> BindingSource<span style="color: #000000;">&#40;</span><span style="color: #000000;">&#41;</span><span style="color: #008000;">;</span>
bsDummie.<span style="color: #0000FF;">DataSource</span> <span style="color: #008000;">=</span> dsAusExcel<span style="color: #008000;">;</span>
bsDummie.<span style="color: #0000FF;">DataMember</span> <span style="color: #008000;">=</span> dsAusExcel.<span style="color: #0000FF;">Tables</span><span style="color: #000000;">&#91;</span><span style="color: #FF0000;">0</span><span style="color: #000000;">&#93;</span>.<span style="color: #0000FF;">TableName</span><span style="color: #008000;">;</span>
grdUpdate.<span style="color: #0000FF;">DataSource</span> <span style="color: #008000;">=</span> bsDummie<span style="color: #008000;">;</span></pre></div></div>


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		<title>log4Net</title>
		<link>http://www.entwicklerforum.org/log4net</link>
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		<pubDate>Fri, 21 Sep 2007 14:35:11 +0000</pubDate>
		<dc:creator>Michal Sodomka</dc:creator>
				<category><![CDATA[.Net / ASP.Net]]></category>
		<category><![CDATA[C, C++, C#, Objective-C]]></category>

		<guid isPermaLink="false">http://www.entwicklerforum.org/log4net</guid>
		<description><![CDATA[Jeder Entwickler braucht manchmal eine Funktionalit&#228;t die in einer Anwendung alles protokollieren kann (z.B. Debuginfos, Warnings, Errors etc.) und genau das bietet Log4Net an.
Ein Tutorial zum Thema Log4Net gibt es  hier






	
	
	
	
	
	
	
	
	
	
	
	
	
	


]]></description>
			<content:encoded><![CDATA[<p>Jeder Entwickler braucht manchmal eine Funktionalit&#228;t die in einer Anwendung alles protokollieren kann (z.B. Debuginfos, Warnings, Errors etc.) und genau das bietet Log4Net an.</p>
<p>Ein Tutorial zum Thema Log4Net gibt es <a href="http://www.ondotnet.com/pub/a/dotnet/2003/06/16/log4net.html"> hier</a></p>

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